Julie sets up a uniform lever with the mid-point of the lever sitting on the pivot She places one weight on end Y of the lever as shown

Carefully, she puts an equal weight at end X
What will happen to the lever?

The lever will not move.
The lever will move to the horizontal position.
The lever will move past the horizontal position and
then return to the horizontal position.
The lever will come to rest with the end Y on the horizontal
surface.