These two statements mean the same thing. (See: [[rc://en/ta/man/translate/figs-parallelism]])
# will praise you. Your hand
The second sentence states the reason for the first sentence. The word "for" or "because" can be added to make this clear. AT: "will praise you. For your hand" or "will praise you because your hand" (See: [[rc://en/ta/man/translate/writing-connectingwords]])
# Your hand will be on the neck of your enemies
This is a way of saying "You will conquer your enemies." (See: [[rc://en/ta/man/translate/figs-idiom]])