$ sudo apt-get update
$ sudo apt-get install libkdeui5 

libkdeui5 is installed in your system.

Make ensure the libkdeui5 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libkdeui5 *

You will get with libkdeui5 package name, version, architecture and description in a table

libkdeui5 package basic information: