why does fire over come water??

Answer 1

air

if a fire has air supplying to it in some manner it will continue to overcome the influence of water

A fire always needs three things- fuel heat and air.
Only by removing much of one or more of these can you bring a fire under greater control.

Water has influence over fire by stopping air(oxygen).
Also you may often see a lot of water being supplied into some kinds of fires simply to keep cooling the fire down. That can take a lot of time.

Water actually hELPs fire burn bigger and faster...
if it's "fuel-source" is already in liquid form.

Sometimes if you have a wood-fueled fire you can Direct the water at Both it's wood fuel source area AND at extinguishing the fire itself (air supply).
Because wood will often absorb water,
that can help slow down its fuel source.

Answer 2

Who told you that nonsense? Firefighters have been putting fires out with water since the beginning of civilization. Perhaps you meant to ask, "Why does water overcome fire?" Answer, it breaks the fuel, air, heat triangle necessary to sustain combustion.

Answer 3

Because fire is hot, and water is not?

Answer 4

depends on what is fulling the fire

Answer 5

because its hot, mking the water vapourise