Question

how sometimes the big stone of ice falls in the form of rain​

Answer 1

when the heat of the air rises the hot rock gets melted this makes it fall in the form of rain

Answer 2

Rain can also begin as ice crystals that collect each other to form largesnowflakes. As the falling snow passes through the freezing level into warmer air, the flakes melt and collapse into rain drops. The picture to the left shows heavy rain falling from a Texas thunderstorm.