The player with the highest rank of the starting suit wins the trick. Hearts can only be played as a starting card after they have been 'broken,' meaning after someone already played a Heart because they did not have the right suit.
If they cannot, they can play another suit. When trick is being played, players should match the suit of the first card played.
The player with the 2 of Clubs must start and play that card. Frequently Asked Questions How do you play Hearts?