Question

equation for ca;cium and potassium with water

Answer 1

calcium and potassium do not react with each other , but decomposes water to make relevant hydroxide with the release of hydrogen.

• ca+2H20gives rise to Ca( OH)2+H2
• 2k+2H20gives rise to 2kOH+ H2.

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Answer 2

Answer:

a) Calcium reacts with cold water to

form calcium hydroxide and

hydrogen gas:

(refer figure)

b) Potassium reacts violently with

cold water to form potassium

hydroxide and hydrogen gas

(refer figure)

In this reaction so much heat is

produced get hydrogen gas

formed catches fire and burns

explosively.

Explanation:

For more further details refer the

picture attached with the answer

HOPE YOU UNDERSTAND