Swapping content on btn click

swap 2 divs on button click

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<a id="btn" class="btn btn-primary pull-right"><i class="fa fa-envelope"> Contact Us</i></a>
<br style="clear:both" />
<div class="well well-sm">
  <div id="table">
    <table class="table table-bordered">
      <tr>
        <th>ID</th>
        <th>Title</th>
        <th>Price</th>
      </tr>
      <tr>
        <td>001</td>
        <td>DL650XT</td>
        <td>369000</td>
      </tr>
    </table>
  </div>
  <div id="formDiv">
    <form class="form" method="post" action="" name="contact" id="contact">
      <fieldset>
        <legend> Contact Form </legend>

        <div class="form-group has-feedback">
          <div class="input-group">
            <span class="input-group-addon"><i class="glyphicon glyphicon-user"></i></span>
            <input type="text" class="form-control" id="name" name="name" placeholder="Name *" />
            <span class="form-control-feedback glyphicon"></span>
          </div>
        </div>

        <div class="form-group has-feedback">
          <div class="input-group">
            <span class="input-group-addon"><i class="glyphicon glyphicon-envelope"></i></span>
            <input type="text" class="form-control" id="email" name="email" placeholder="E-Mail *" />
            <span class="form-control-feedback glyphicon"></span>
          </div>
        </div>

        <div class="form-group has-feedback">
          <div class="input-group">
            <span class="input-group-addon"><i class="glyphicon glyphicon-earphone"></i></span>
            <input type="text" class="form-control" id="telefon" name="telefon" placeholder="Telefon" />
            <span...

CSS

#formDiv {
  display: none !important
}

JavaScript

$(document).ready(function() {
      $('#formDiv').css('border', 'red !important');
      //swap content
      $('#btn').on('click',function() {
        $('#table').hide();
        $('#formDiv').prop('display', 'show');
      })
    });