Sort of; you are powerless when you open the window to the spirits that communicate through the Ouija board. However, the Redeemer, Jesus Christ, can see the spirits and He knows which ones are good or bad; you don't. In the event that a spirit enters your domain via the Ouija board and wants to cause you harm, the Redeemer can protect your soul.
Some of the spirits may simply turn out to be relatives who have died and want to tell their family something, but it's like opening your door to a variety of total strangers, some of whom can possibly be a danger.
Most of the spirits on the Ouija board are considered to be earth-bound rather than on a higher plane. Christ the Redeemer is the one who can intervene on your behalf on that level, especially if you do encounter a danger. Most people know the words to the "Our Father"; for a novice like you that should be sufficient. You are young and naturally curious, and that's human nature.