Question

calcium + water = tell me fast ​

Answer 1

Answer:

2Ca(oh)2 os answer of this qie

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Answer 2

$\texttt{Calcium reacts with water less violently }$ $\texttt{and starts to float on the surface of}$ $\texttt{the water due to the hydrogen that}$$\texttt{sticks to its surface. Heat is evolved}$ $\texttt{but it's not sufficient for the}$ $\texttt{hydrogen to catch fire.}$

$\mathtt{Ca+2H_{2}O \longrightarrow Ca(OH)_{2} + H_{2}}$