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

ibus-xkbc is installed in your system.

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

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

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

ibus-xkbc package basic information: