How rocket flying?

3rd law of force by newton.every action has an equal and opposite reaction well there is a combustion chamber in the rocket where fuel and gases are burnt using liquid oxygen.they are thrown out of the rocket with tremendous force and they equally and in the opposite direction push the rocket ahead

You can have different kinds of ways to make a rocket fly. you an use a pump to pump the rocket up into the air, put a antacid tablet to make it fly