If the batsman hits the ball and the ball spins and goes to the wicket, if he stops the ball with the bat, is he out or not out?
He is not out. He is allowed to use the bat to guard his wicket if the ball is rolling back to the wicket
34.3 Ball lawfully struck more than once
The striker may, solely in order to guard his/her wicket and before the ball has been touched by a fielder, lawfully strike the ball a second or subsequent time with the bat, or with any part of his/her person other than a hand not holding the bat.