$ sudo apt-get update
$ sudo apt-get install licq-plugin-icq 

licq-plugin-icq is installed in your system.

Make ensure the licq-plugin-icq package were installed using the commands given below,

$ sudo dpkg-query -l | grep licq-plugin-icq *

You will get with licq-plugin-icq package name, version, architecture and description in a table

licq-plugin-icq package basic information: