Don't think this is default in Mendix. When i inspect the menu, i see that the li (listitem) in the menu gets the class open. Maybe you can add some Jquery to set the open class on hover? And delete the class when hover ends? The submenu is in the listitem so i think this can work.
The following part where it will be able to proceed it with the overall work that might be getting the better way to approach it in just way where it will be going logitech h111 mic not working and to have the over which may be getting a fast way after folloiwng it.