Given that kicking the ball while it is in the keeper's hand is a foul and will result in a free kick, and that it's very hard to kick a ball out of someone's hand without also making contacting with their hand when they aren't already preparing to move their hand away (such as when a player...
The Law says:
A goalkeeper is considered to be in control of the ball with the hand(s) when:
the ball is between the hands or between the hand and any surface (e.g. ground, own body) or by touching it with any part of the hands or arms except if the ball rebounds from the goalkeeper or...