$ sudo apt-get update
$ sudo apt-get install libgsoap5 

libgsoap5 is installed in your system.

Make ensure the libgsoap5 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libgsoap5 *

You will get with libgsoap5 package name, version, architecture and description in a table

libgsoap5 package basic information: