$ sudo apt-get update
$ sudo apt-get install ibus-kkc 

ibus-kkc is installed in your system.

Make ensure the ibus-kkc package were installed using the commands given below,

$ sudo dpkg-query -l | grep ibus-kkc *

You will get with ibus-kkc package name, version, architecture and description in a table

ibus-kkc package basic information: