indestructible bubble

So lets say you have this indestructible bubble in which is water. Now lets say you press with unlimited power against all sides of the bubble, so it will be forced so downsize. What would happen with the water in it, assuming it couldn't get out of the bubble? Would it also respond with unlimited power or would it shrink, aswell?

increasing the pressure of a gas in a closed space eventually yields a liquid
Not above the critical temperature.  Good luck getting liquid oxygen that way.