Group 2 metals react with water

Demonstration of the reactivity of group 2 metals with water

Scientific name: Copmarison of beryllium, magnesium, calcium, strontium and barium in the reaction with water


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Reaction formula

Mg + H2O → MgO + H2

Mg + 2 H2O → Mg(OH)2 + H2

Me + 2 H2O → Me(OH)2 + H2 (Me = Ca, Sr, Ba)

Step-by-step instruction

  1. Take four test-tubes and pour water into they.
  2. Put pieces of metals into each test-tube.

Scientific background

Reactivity of metals increase from berillium to barium. Berillium doesn't react with water, magnesium extreamaly slowly reacts with water at room temperature. Calcium, strontium and barium react vigorously with water.

In thease reactions hydrogen gas and metal hydroxydes are prodused.


Published on 14 September 2015

  • Fire
  • Heating with fire
  • Explosion
  • Poisoned gas
  • Organic
  • Electricity
  • Solution
  • Oxidation reduction
  • Color change
  • Precipitate
  • Gassing
  • Catalyst