No. The north sides of two magnets do not stick together because they have the same polarity. The north and south sides of a magnet, however, do stick together because they are on opposite poles and,...
True north relates to what we consider the north pole. However the axis on magnetic terms isn't in the same location. Magnetic north is still north but there is an angle difference between the two.
Close, but not quite. The North Star is actually at declination 89 degrees, 18 minutes, so it is 42 minutes (not quite 3/4 of a degree) away from the exact celestial north pole.