<form class="form-horizontal" name="myProfile" ng-switch-when="profile">
   <fieldset>

      <div class="control-group">
         <label class="control-label" for="passwordButton">Password</label>
         <div class="controls">
            <button id="passwordButton" class="secondaryButton" ng-click="showChangePassword()">Change</button>
         </div>
      </div>

      <div class="buttonBar">
           <button id="saveProfileButton" class="primaryButton" ng-click="saveUser()">Save</button>
      </div>
   </fieldset>
</form>

$scope.showChangePassword = function() {
    $scope.selectedLink = "changePassword";
 };

<button ng-click="saveUser($event)">

$scope.saveUser = function (event) {
  event.preventDefault();
  // your code
}