I heard you use Will for the facts and something that you believe as true, and Be going to to show simple prediction or something about to happen. Then which is the strong sentence between those on the title? And how?
Let say there's two situations.
A: Will I be all right?
B: Well, you're gonna be okay.
A: Am I gonna be all right?
B: Well, you will be okay.
Then what's the differences between those?