The opening lead in a game of bridge can be the crucial card that helps your partnership to defeat the contract. Most players accept that you should never lead away from an Ace - it can give away a trick, especially if the opposing partnership hold a singleton king.
Does the same thing apply to leading away from a king? Usually, it is safe to lead away from a king and in most circumstances it is unlikely that it will give away a trick. You can read more about leading away from a king and see a working example if you click here.