Answer:
See explanation
Step-by-step explanation:
Nicotine is a covalent molecule. Recall that covalent molecules are not soluble in water and do not have any kind of ionic interaction.
Let us recall that nicotine contains a nitrogen atom having a lone pair of electrons. When nicotine reacts with HCl, this lone pair is protonated to form the ionic compound called nicotine hydrochloride.
C₁₀H₁₄N₂ + HCl --------> C₁₀H15N₂Cl