Question

give simple trick of hybridization. answer the one who is satisfied.

Answer 1

Hybridisation for a molecule is given by:
Where,

V = Number of valance electrons in central atom
H = Number of surrounding monovalent atoms
C = Cationic charge
A = Anionic charge

If this expression is 2 then its hybridised, 3 then sp hybridised and sp2 so on.