Edit in JSFiddle

<div ng-app="showhideApp" ng-controller="showhideController">
<button ng-click="showDiv()">Show me</button><button  ng-click="hideDiv()">Hide me</button>
<div ng-show ="IsShowHide">My DIV</div>
</div>
    var app = angular.module('showhideApp', [])
    app.controller('showhideController', function ($scope) {
    //This will hide the DIV by default.
    $scope.IsShowHide = true;
    $scope.showDiv = function () {
    //Show hidden DIV.
    $scope.IsShowHide =true;
     }
    $scope.hideDiv = function () {
    //Hide visible DIV.
    $scope.IsShowHide =false;
     }
    });