Edit in JSFiddle

$("#surukle").draggable({ 
                revert: true, // sürükleme işlemi bitince, eski yerine geri gelmesini sağlar
                revertDuration: 100
   });

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> 
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.18/jquery-ui.min.js"></script>
<div id="surukle"  >Sürükle</div>

#surukle{width: 70px; height: 70px; background:#066; color:#FFF;}