what does these equations mean

Question

metal+water=metal hydroxide+hydrogen

Answer 1

please hellllllp me!!

Answer 2

writeacher can you please tell what this is about

Answer 3

I have no idea. This is a chemistry question, and it's not an area I know much about.

Answer 4

it is a generic word equation for the reaction of a metal with water to produce a metal hydroxide and hydrogen.

For example a Group 1 element

2Na + 2H2O = 2NaOH + H2

For example a Group 2 element

Ca + 2H2O = Ca(OH)2 + H2