<div ng-app>
<div ng-controller="showCrtl">
    <div ng-hide="showme">
   <p ng-mouseenter="showme=!showme">
   mouse enter
   </p>
    </div>
    <input type="search" ng-if="showme" ng-mouseleave="showme=false">
 </div>
</div>

function showCrtl($scope){
$scope.showme=false;